GE SR489-P1-HI-A20-E 发电机管理继电器 成都阳光熹禾

GE SR489-P1-HI-A20-E是通用电气（GE）Multilin品牌下的一款发电机管理继电器，提供经济型保护、计量和监控功能，适用于小型和中型发电机。该继电器系统能够实现对发电机的全面管理和控制，提高电力系统的运行效率和安全性。它还具备高级的保护、监控和自动化管理功能，是电力系统和工业控制领域的重要组件。适用于各种类型的变压器，包括电力变压器、工业变压器和配电变压器，广泛应用于电力系统、工业企业、商业楼宇等场所。

Generator Management Relay Product Details: SR489-P1-HI-A20-E GE Generator Management Relay

The relay device also has multiple protection functions, including differential protection, 100% stator grounding protection, grounding direction overcurrent protection, negative sequence overcurrent protection, high setting value overcurrent protection, low voltage lockout overcurrent protection, over/low voltage protection, over/low frequency protection, distance protection, and reverse power protection, ensuring that the generator can receive sufficient protection in various operating states. It also supports direct integration with most DCS and SCADA systems, and supports DNP 3.0, Modbus RTU, and Modbus TCP/IP communication protocols

Rated voltage: 380V ± 10%, control power supply is 90-300V DC or 70-265V AC (48 to 62 Hz).
Environmental conditions: Suitable for ambient temperatures ranging from -25 to 50 ℃ and relative humidity below 95%, with an altitude of less than 2000 meters.
Protection functions: including overload protection, short circuit protection, ground fault protection, overvoltage protection, undervoltage protection, etc.
Product details and parameters: SR489-P1-HI-A20-E GE generator management relay
Manufacturer: GE Multilin
Product Code: SR489-P1-HI-A20-E
Product Type: Generator Management Relay
Phase current input: P1=1A phase CT secondary, indicating that the phase current input of the relay is the secondary side of the 1 ampere current transformer

Analog output: A20=4 to 20mA analog output, relay provides 4 to 20mA analog output signal

SR489-P1-HI-A20-E GE application areas:

GE SR489-P1-HI-A20-E is a generator management relay under the General Electric (GE) Multilin brand, providing economical protection, metering, and monitoring functions, suitable for small and medium-sized generators. This relay system can achieve comprehensive management and control of the generator, improving the operational efficiency and safety of the power system. It also has advanced protection, monitoring, and automation management functions, and is an important component in the fields of power systems and industrial control. Suitable for various types of transformers, including power transformers, industrial transformers, and distribution transformers, widely used in power systems, industrial enterprises, commercial buildings, and other places.